Revert "Make sure variables (callbackExecuted flag) used in analytics.js code are not global"
Revert "Make sure variables (callbackExecuted flag) used in analytics.js code are not global"

This reverts commit b95af980b027a14e67e29b64b4a50f19e9dcaa7b.

openregister/openregister-java,openregister/openregister-java,openregister/openregister-java,openregister/openregister-java,openregister/openregister-java